Finding the Fourth Proportional to 74,069,871.25, 102,251,866.89 and 49,331,227.09
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Solution
The fourth proportional to 74,069,871.25, 102,251,866.89 and 49,331,227.09 is: 68,100,699.80
Step by Step Solution
- Step 1: Write the proportion equation
74,069,871.25 : 102,251,866.89 = 49,331,227.09 : x - Step 2: Convert to fraction form
74,069,871.25/102,251,866.89 = 49,331,227.09/x - Step 3: Cross multiply
74,069,871.25x = 102,251,866.89 × 49,331,227.09 - Step 4: Simplify right side
74,069,871.25x = 5,044,210,065,927,042 - Step 5: Solve for x
x = 5,044,210,065,927,042/74,069,871.25 - Step 6: Final answer
x = 68,100,699.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.